1100131404 has 48 divisors (see below), whose sum is σ = 2739437568. Its totient is φ = 342413568.

The previous prime is 1100131381. The next prime is 1100131429. The reversal of 1100131404 is 4041310011.

It is a super-2 number, since 2×1100131404² = 2420578212134022432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4677 + ... + 47139.

It is an arithmetic number, because the mean of its divisors is an integer number (57071616).

Almost surely, 2^1100131404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100131404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369718784).

1100131404 is an abundant number, since it is smaller than the sum of its proper divisors (1639306164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100131404 is a wasteful number, since it uses less digits than its factorization.

1100131404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42614 (or 42612 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1100131404 is about 33168.2288342323. The cubic root of 1100131404 is about 1032.3212185883.

Adding to 1100131404 its reverse (4041310011), we get a palindrome (5141441415).

The spelling of 1100131404 in words is "one billion, one hundred million, one hundred thirty-one thousand, four hundred four".